© Getty Images

England, 1954 - Emperor Haile Selassie of Ethiopia waves to the crowds as he rides in an open carriage with Queen Elizabeth II and Prince Philip.

© Getty Images 

Buckingham Palace, England, 1950 - The royal family at Buckingham Palace on the day of Princess Anne's christening.

© Getty Images 

Canada, 1951 - Princess Elizabeth and Prince Philip greet members of the Ojiway First Nation during their tour of Fort William.

© Getty Images 

Kenya, 1972 - Queen Elizabeth II and Prince Philip with the President of Kenya, Jomo Kenyatta.

© Getty Images 

Kennedy Memorial, USA, 1965 - Harold Macmillan gives a speech at the memorial to John F Kennedy. Behind him on the stand are Jackie Kennedy, Queen Elizabeth II, Prince Philip, and British Prime Minister Harold Wilson.

© Getty Images 

Italy, 1980 - Pope John Paul II with Queen Elizabeth II and Prince Philip during the Royal Tour of Italy.

© Getty Images 

Australia, 1954 - The royals are greeted by Premier of New South Wales Joseph Cahill and his wife, Esmey, before a state banquet in Sydney.

© Getty Images 

England, 1958 - Queen Elizabeth II and Prince Philip, Duke of Edinburgh watch a cricket match at Highclere Castle. 

© Getty Images 

England, 1951 - Queen Elizabeth II and Prince Philip in Garter robes after a ceremony when the King of Denmark was knighted. 

© Getty Images 

England, 1951 - The royal couple attend a concert at Festival Hall, London.

© Getty Images 

Canada, 1951 - Princess Elizabeth and Prince Philip ride through crowded streets in Quebec.

© Getty Images 

Canada, 1951 - Princess Elizabeth and Prince Philip watch an ice hockey game with Mayor Camillien Houde in Montreal.

© Getty Images 

Canada, 1951 - Chatting with artist Earl Bailey on their tour of Canada.

© Getty Images 

England, 1969 - The Duke of Edinburgh and Queen Elizabeth II wave to crowds during the Garter Procession at Windsor Castle.

© Getty Images 

Kenya, 1952 - Waving at crowds from the balcony of City Hall, Nairobi.

© Getty Images 

Buckingham Palace, England, 1950 - Princess Elizabeth and Prince Philip with their baby daughter, Princess Anne, following her christening. 

© Getty Images 

Buckingham Palace, England, 1952 - A formal portrait of Queen Elizabeth II and Prince Philip.

© Getty Images 

Buckingham Palace, England, 1963 - With Queen Fabiola and King Baudouin of Belgium.

© Getty Images 

England, 1966 - Arriving with their children at Liverpool Street Station, London.

© Getty Images 

Wales, 1969 - Prince Charles, now King Charles III, in formal robes as he is invested as the Prince of Wales at Caernarfon Castle.

© Getty Images 

Australia, 1954 - The royals are greeted by Hon T Playford and his wife on their arrival at Parliament House for a State Banquet in Australia.

© Getty Images 

Sri Lanka, 1954 - Queen Elizabeth II and Prince Philip are welcomed to Kandy.

© Getty Images 

Australia, 1954 - The royal couple with the Mayor of Casino, Alderman Manyweathers in Carrington Park, New South Wales.

© Getty Images 

Buckingham Palace, England, 1969 - Astronaut and commander of the Apollo 8 mission, Frank Borman, along with his wife Susan, the Queen, Prince Philip, Princess Anne, and Prince Edward at Buckingham Palace.

© Getty Images 

England, 1968 - Queen Elizabeth II and Prince Philip arrive at Abingdon to celebrate 50 years of the Royal Air Force.

© Getty Images 

Nauru, 1982 - During a tour of the South Pacific Islands.

© Getty Images 

Scotland, 2008 - Queen Elizabeth II and Prince Philip laugh as they watch the games during the Annual Braemar Highland Gathering.

© Getty Images 

England, 2017 - Prince Philip, Duke of Edinburgh and Queen Elizabeth II at the Remembrance Sunday memorial near The Cenotaph in London.

© Getty Images

England, 2018 -

The royal couple attend the wedding of grandson Prince Harry to Meghan Markle at St George's Chapel at Windsor Castle.

See also: A look back at Queen Elizabeth's life in photos

© Getty Images